<html lang="en">
  <head>
  </head>
  <body>
    <div id="calculator">
      <div>
        A-BIG
      </div>
      <div>
        b-small
      </div>
      <div>
        c-small
      </div>
      <div>
        D-BIG
      </div>
      <div>
        e-small
      </div>
    </div>
  </body>
</html>
